CN109951639A - Camera stabilization system, method, electronic equipment and computer readable storage medium - Google Patents
Camera stabilization system, method, electronic equipment and computer readable storage medium Download PDFInfo
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- CN109951639A CN109951639A CN201910231545.6A CN201910231545A CN109951639A CN 109951639 A CN109951639 A CN 109951639A CN 201910231545 A CN201910231545 A CN 201910231545A CN 109951639 A CN109951639 A CN 109951639A
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Abstract
This application involves a kind of camera stabilization system, method, electronic equipment and computer readable storage mediums.The system includes gyroscope, processor and at least two cameras, is equipped with connected driving chip and motor in each camera, gyroscope is connect with processor, and processor is connect with the driving chip in each camera；Angular velocity data is sent to processor for acquiring angular velocity data by gyroscope；Processor is used to that jitter compensation data to be calculated according to angular velocity data, jitter compensation data is sent to driving chip, driving chip is used to power on according to the connected motor of jitter compensation data control, so that motor drives corresponding camera lens mobile.The jitter compensation data of camera lens are calculated by processor, driving chip controls motor according to jitter compensation data and powers on, and driving chip does not need built-in processing module to calculate jitter compensation data, can reduce the volume of driving chip, improves the reliability of camera.
Description
Technical field
This application involves image technology fields, more particularly to a kind of camera stabilization system, method, electronic equipment and meter
Calculation machine readable storage medium storing program for executing.
Background technique
With the fast development of image technology, the phenomenon that being taken pictures using camera, is more and more common.People are using
During camera is shot, existing leads to that the image of shooting is fuzzy, unsharp problem because of camera shake.At present
It is clear to being imaged that camera can weaken camera shake by technologies such as integrated optics stabilization, electronic flutter-proof, photoreceptor stabilizations
The influence of clear degree.However, traditional camera stabilization system has that reliability is low.
Summary of the invention
The embodiment of the present application provides a kind of camera stabilization system, method, electronic equipment and computer readable storage medium,
The reliability of camera can be improved.
A kind of camera stabilization system, comprising: gyroscope, processor and at least two cameras；Each described camera shooting
Connected driving chip and motor are equipped in head；The gyroscope is connected to the processor, the processor and each institute
State the driving chip connection in camera；
The angular velocity data is sent to the processor for acquiring angular velocity data by the gyroscope；
The processor is used to be calculated jitter compensation data according to the angular velocity data, and by the jitter compensation
Data are sent to the driving chip；
The driving chip is used to be powered on according to the connected motor of jitter compensation data control, so that the horse
It is mobile up to the corresponding camera lens of driving.
A kind of camera anti-fluttering method, is applied to electronic equipment, and the electronic equipment includes gyroscope, processor and at least
Two cameras；Connected driving chip and motor are equipped in each described camera；The gyroscope and the processor
Connection, the processor are connect with the driving chip in camera described in each；The described method includes:
When receiving the enabled instruction to camera, angular velocity data is acquired by the gyroscope, and by the angle
Speed data is sent to the processor；
The camera identification for including in the enabled instruction is obtained by the processor, according to the angular velocity data meter
Calculation obtains jitter compensation data, and the jitter compensation data are sent to driving chip corresponding with the camera identification；
By the driving chip motor operations connected according to jitter compensation data control, so that the motor drives
It is mobile to move corresponding camera lens.
A kind of electronic equipment, including memory, processor, gyroscope and at least two cameras；Each described camera shooting
Connected driving chip and motor are equipped in head；The gyroscope is connected to the processor, the processor and the driving
Chip connection；Computer program is stored in the memory, when the computer program is executed by the processor, so that institute
It states processor and executes following steps:
When receiving the enabled instruction to camera, angular velocity data is acquired by the gyroscope, and by the angle
Speed data is sent to the processor；
The camera identification for including in the enabled instruction is obtained by the processor, according to the angular velocity data meter
Calculation obtains jitter compensation data, and the jitter compensation data are sent to driving chip corresponding with the camera identification；
By the driving chip motor operations connected according to jitter compensation data control, so that the motor drives
It is mobile to move corresponding camera lens.
A kind of computer readable storage medium, is stored thereon with computer program, the computer program is held by processor
Following steps are realized when row:
When receiving the enabled instruction to camera, angular velocity data is acquired by the gyroscope, and by the angle
Speed data is sent to the processor；
The camera identification for including in the enabled instruction is obtained by the processor, according to the angular velocity data meter
Calculation obtains jitter compensation data, and the jitter compensation data are sent to driving chip corresponding with the camera identification；
By the driving chip motor operations connected according to jitter compensation data control, so that the motor drives
It is mobile to move corresponding camera lens.
Above-mentioned camera stabilization system, method, electronic equipment and computer readable storage medium, pass through gyroscope acquisition angle
Speed data, and angular velocity data is sent to processor；Jitter compensation is calculated according to angular velocity data by processor
Jitter compensation data are sent to driving chip by data；Pass through the driving chip motor connected according to the control of jitter compensation data
Work, so that motor drives corresponding camera lens mobile.Camera lens is calculated according to the angular velocity data that gyroscope acquires by processor
Jitter compensation data, driving chip controls motor according to jitter compensation data and powers on, and driving chip does not need built-in to handle mould
Block calculates jitter compensation data, can reduce the volume of driving chip, improves the reliability of camera.
Detailed description of the invention
In order to illustrate the technical solutions in the embodiments of the present application or in the prior art more clearly, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of application for those of ordinary skill in the art without creative efforts, can be with
It obtains other drawings based on these drawings.
Fig. 1 is the structural schematic diagram of camera stabilization system in one embodiment；
Fig. 2 is the structural schematic diagram of camera stabilization system in one embodiment；
Fig. 3 is the structural schematic diagram of camera stabilization system in another embodiment；
Fig. 4 is the flow chart of camera anti-fluttering method in one embodiment；
Fig. 5 is the schematic diagram of internal structure of electronic equipment in one embodiment；
Fig. 6 is the schematic diagram of image processing circuit in one embodiment.
Specific embodiment
It is with reference to the accompanying drawings and embodiments, right in order to which the objects, technical solutions and advantages of the application are more clearly understood
The application is further elaborated.It should be appreciated that specific embodiment described herein is only used to explain the application, and
It is not used in restriction the application.
It is appreciated that term " first " used in this application, " second " etc. can be used to describe various elements herein,
But these elements should not be limited by these terms.These terms are only used to distinguish the first element from the other element.Citing comes
It says, in the case where not departing from scope of the present application, the first camera can be known as second camera, and similarly, can incite somebody to action
Second camera is known as the first camera.First camera and second camera both camera, but it is not same takes the photograph
As head.
Fig. 1 is the structural schematic diagram of camera stabilization system in one embodiment.As shown in Figure 1, camera stabilization system
Including gyroscope 112, processor 114 and at least two cameras 120, connected driving core is equipped in each camera 120
Piece 122 and motor 124.Wherein, gyroscope 112 is connect with processor 114, the drive in processor 114 and each camera 120
Dynamic chip 122 connects.Wherein, SPI (Serial Peripheral can be passed through between gyroscope 112 and processor 114
Interface, Serial Peripheral Interface (SPI)) connection.
Gyroscope 112 is sent to processor 114 for acquiring angular velocity data, and by angular velocity data.
Gyroscope 112 is the angular movement detection device that arbitrarily can be used for detecting angular speed.In camera shooting image
In the process, it will affect the clarity of imaging if camera generates shake or movement, so that the image generation of acquisition is fuzzy.
Gyroscope 112 can detecte whether camera is shaken, and corresponding angular velocity data is obtained when camera is shaken.
Angular velocity data is bigger, then illustrates that the jitter amplitude of camera is bigger, otherwise angular velocity data is smaller, then the shake width of camera
It spends relatively smaller.
Processor 114 for jitter compensation data to be calculated according to angular velocity data, and jitter compensation data is sent
To driving chip 122.
Processor 114 can be CPU (Central Processing Unit, central processing unit), be also possible to MCU
(Microcontroller Unit, micro-control unit), DSP (Digital Signal Processor, Digital Signal Processing
Device) etc. processors.Jitter compensation data are calculated according to angular velocity data, and driving chip can be with according to the jitter compensation data
Control motor power on, and then by motor drive camera lens movement, camera lens move direction and shake it is contrary, can disappear
Except because of camera lens offset caused by shaking.Jitter compensation data contain camera lens in the compensation rate at least one direction.Jitter compensation
Data can be determined according to the position at any point of plane where camera lens.For example, jitter compensation data can be according to camera lens
Central point determines, can also be determined according to other on camera lens point.
Processor 114 prestores jitter compensation algorithm, and processing unit 114 can be according to the jitter compensation algorithm and gyroscope
Jitter compensation data are calculated in the angular velocity data of acquisition.Processor 114 can be sent receiving gyroscope 112 each time
Angular velocity data when, the jitter compensation data of camera lens are calculated according to the angular velocity data, and are sent to driving chip 122.Its
In, the jitter compensation algorithm prestored in processor 114 can be updated according to practical application request.
It include at least two cameras 120 in camera stabilization system, processor 114 can receive camera
When enabled instruction, institute's camera to be started is determined according to the enabled instruction, and then in the angular speed number acquired according to gyroscope
After jitter compensation data are calculated, jitter compensation data can be sent to the corresponding driving core of institute's camera to be started
Piece.Specifically, processor 114 can pass through I2C (Inter-Integrated Circuit, IC bus) or I3C
(by the improved IC bus of I2C) connection is connect with each driving chip 122.For being connected by I2C bus, place
Reason device 114 has the address I2C of each driving chip 122 in camera stabilization system, says to be opened when the determination of processor 114
In dynamic camera, the address I2C of the corresponding driving chip of the available camera, according to the address I2C by jitter compensation
Data are sent to the driving chip.
Driving chip 122, for being powered on according to the connected motor 124 of jitter compensation data control, so that motor 124 drives
Corresponding camera lens is mobile.
Driving chip 122 is the chip that can be used for the loads such as drive motor.Motor 124 can be voice coil motor.Drive core
Piece 122 can receive the jitter compensation data that processor 114 starts, and be controlled according to the compensation rate for including in jitter compensation data
The size of current of connected motor 124, to control the distance that motor 124 drives corresponding camera lens mobile.Wherein, camera lens can not
It is limited to be various tight shots, zoom lens, wide-angle lens, standard lens etc..
Camera stabilization system provided by the embodiments of the present application includes gyroscope, processor and at least two cameras, often
Connected driving chip and motor are equipped in one camera, gyroscope is connect with processor, processor and each camera
In driving chip connection, gyroscope can acquire angular velocity data, and angular velocity data is sent to processor, and processor can
Stabilization offset data is calculated according to the angular velocity data, and the stabilization offset data is sent to driving chip, driven
Chip can control motor according to the jitter compensation data and power on, so that the movement of motor driving camera lens, can tremble camera
The offset that camera lens generates when dynamic compensates.Since the jitter compensation of camera lens can be calculated according to angular velocity data by processor
Data, then motor is controlled according to the jitter compensation data by driving chip, driving chip does not need built-in processing module and carries out
The calculating of jitter compensation data, it is possible to reduce the volume of driving chip improves the reliability of camera stabilization system.
Further, the Hall sensor connecting with driving chip is additionally provided in each camera.Hall sensor can
With the location information current for detector lens, and location information is sent to driving chip 122, driving chip 122 is used for base
It is powered in location information and jitter compensation data control motor 124, so that motor 124 drives the movement of camera lens.According to camera lens
Location information can determine offset of the camera lens relative to initial position.Wherein, initial position is that camera stabilization system is in
The position of camera lens when stationary state.Jitter compensation data include camera lens in the jitter compensation amount of different directions, then driving chip 122
The demand offset that camera lens can be determined according to location information and jitter compensation data, is powered on controlling motor, and driving camera lens is pressed
It is mobile according to the demand offset.Wherein, demand offset is that camera lens needs mobile to reduce deviation caused by shake
Distance.
In one embodiment, in the camera stabilization system provided, processor 114, which can be also used for obtaining, opens camera shooting
The corresponding application program identification of application program of head improves processor when application program identification is default application program identification
It distributes to processor and executes the running memory for calculating jitter compensation data manipulation according to angular velocity data.
Application program refers to the computer program that can complete particular job.Application program, which has, calls camera to acquire
The function of image.For example, application program Instagram can be led to by camera collection image, application program WeChat
Face figure can be acquired by camera by crossing camera collection image or scanning the two-dimensional code image, the application of payment class or screen locking application
It is without being limited thereto as identify etc..The available corresponding application program identification of application program for opening camera of processor 114.
Default application program identification can be set according to practical application request.Specifically, the corresponding application of application program identification is preset
Program can be it is more demanding to the clarity of camera imaging or application program open when camera degree of jitter compared with
Big application program.For example, default application program identification can be the corresponding mark of payment class application program, can be used for scanning two
The corresponding mark of application program etc. of code image is tieed up, it is without being limited thereto.
Processor 114 can be when getting the corresponding application program identification of application program for opening camera, and judgement should
Whether application program identification is that default application program identification is improved when the application program identification is default application program identification
It distributes to the processor and executes the running memory for calculating jitter compensation data manipulation according to angular velocity data.Running memory is to set
Memory when received shipment line program.In general, the running memory of program is bigger, then the speed of program operation is faster.Electronic equipment can be with
When application identities are default application program identification, improve processor and distribute to execution according to angular velocity data calculating jitter compensation
The running memory of data manipulation, so as to improve the timeliness and accuracy of camera stabilization function.
Further, processor 114 can also calculate jitter compensation data manipulation according to angular velocity data in current execute
Running memory when being lower than default memory threshold, then improve the fortune for executing and calculating jitter compensation data manipulation according to angular velocity data
Row memory.Optionally, electronic equipment can also reduce processor distribution when the application identities are not default application program identification
To the running memory for calculating jitter compensation data manipulation according to angular velocity data is executed, application program can be met in image quality
The case where while, reduce the occupancy of running memory, the resource allocation of optimization system.
In one embodiment, in the camera stabilization system provided, processor 114 be can be also used for when reception camera
Enabled instruction when, corresponding jitter compensation algorithm is obtained according to the camera identification for including in enabled instruction, is mended according to shake
It repays algorithm and angular velocity data generates target compensation data, and target compensation data are sent to drive corresponding with camera identification
Dynamic chip.
What the button that enabled instruction can be electronic equipment of the user by pressing comprising the camera stabilization system generated,
Be also possible to for click the control on electronic device touchscreen generation etc..Processor 114, which can receive, triggers camera
Enabled instruction.Enabled instruction, which contains, needs the corresponding camera identification of camera to be started.
Camera stabilization system may include miscellaneous camera, stabilization backoff algorithm required for these cameras
It may be consistent, it is also possible to which inconsistent, this and structure, the application demand of camera etc. are related.For example, being fixed on equipment
Camera can be the movement of control camera lens in stabilization, then cam lens can be calculated in corresponding stabilization backoff algorithm
Jitter compensation data control the movement of camera lens；And Collapsible type camera can be the movement of control prism in stabilization, then
The jitter compensation data of prism in camera can be calculated to control the movement of prism in corresponding stabilization backoff algorithm.Processing
Device 114 can use different jitter compensation algorithms for different cameras, and then true according to the camera currently started
Corresponding jitter compensation algorithm is determined to calculate the jitter compensation data of camera.It is understood that processor 114 can also be pre-
If different algorithm parameters, to determine corresponding algorithm parameter according to the camera of unlatching to calculate the jitter compensation of camera
Data.
The enabled instruction that camera is received by processor is obtained according to the camera identification for including in enabled instruction and is corresponded to
Jitter compensation algorithm, target compensation data are generated according to jitter compensation algorithm and angular velocity data, by the target compensation data
It is sent to driving chip corresponding with camera identification, can satisfy the stabilization demand of camera stabilization system difference camera,
Improve the accuracy of camera stabilization.
Fig. 2 is the structural schematic diagram of camera stabilization system in one embodiment.In one embodiment, anti-with camera
It trembles comprising being illustrated for two cameras in system, as shown in Fig. 2, including the first camera in camera stabilization system
220 and second camera 230.It include the first driving chip 222 and the first motor 224 being connected in first camera 220, the
It include the second driving chip 232 and the second motor 234 in two cameras 230.Gyroscope 212 is connect with processor 214, processing
Device 214 is connect with the first driving chip 222 and the second driving chip 232.
Processor 214 prestores the first jitter compensation algorithm corresponding to the first camera 220 and corresponds to the second camera shooting
First 230 the second jitter compensation algorithm.Processor 214 can be also used for through first thread according to the first jitter compensation algorithm and
Angular velocity data generates the first jitter compensation data, by the second thread of processor according to the second jitter compensation algorithm and angle speed
Degree is according to the second jitter compensation data of generation.
Thread is a single sequential control process.Processor runs multiple threads simultaneously in single program to complete
Different work.Optionally, when camera stabilization system cannot start simultaneously comprising each camera or each camera
Can start simultaneously and the camera that can start simultaneously used by jitter compensation algorithm it is consistent when, then processor can pass through
Same thread calculates jitter compensation data；It can start simultaneously when existing in each camera that camera stabilization system includes
Camera when, processor can also pass through same thread timesharing and calculate the corresponding jitter compensation data of each camera.At this
In embodiment, processor can also carry out the calculating of jitter compensation data by multiple threads.Camera stabilization system includes
First camera 220 and second camera 230, processor 214 can be also used for through first thread according to the first jitter compensation
Algorithm and angular velocity data generate the first jitter compensation data, by the second thread of processor according to the second jitter compensation algorithm
The second jitter compensation data are generated with angular velocity data, can be occurred to avoid jitter compensation data are calculated using same thread
Stabilization delay issue improves the accuracy of camera stabilization.
Further, processor 214 can be connected by I3C bus and the first driving chip 222 and the second driving chip 232
It connects, first jitter compensation data is generated according to the first jitter compensation algorithm and angular velocity data in processor 214, and according to second
When jitter compensation algorithm and angular velocity data generate the second jitter compensation data, processor 214 simultaneously can will by I3C bus
First jitter compensation data are sent to the first driving chip 222 and the second jitter compensation data are sent to the second driving chip
232 so that driving chip can control it is corresponding power on, I3C provides higher message transmission rate compared to I2C bus,
It can guarantee the timeliness of camera stabilization.
In one embodiment, processor 214 can be also used for obtaining first camera 220 corresponding first preferentially
Grade and corresponding second priority of the second camera 230；When first priority is higher than second priority,
Improve the running memory that the processor distributes to the first thread；When first priority is lower than second priority
When, improve the running memory that the processor distributes to second thread.
Specifically, processor 214 can prestore the corresponding priority level of different cameras, can also prestore different application journey
The corresponding priority level of sequence, when camera starting, the available application program for opening the camera of processor 214 is corresponding
Priority level of the priority level as camera.The corresponding priority of camera or the corresponding priority of application program can bases
Practical application request is set, and can specifically be determined according to demand when practical application to camera imaging clarity, herein
Without limitation.Optionally, the corresponding priority level of each camera that also available user inputs of processor 214.For example, place
It is 2 grades that reason device 214, which can prestore corresponding first priority of the first camera 220, and second camera 230 corresponding second is preferential
Grade is 1 grade, wherein 1 grade of highest priority, 2 grades of priority are lower than 1 grade of priority.
When first priority is higher than second priority, processor 214 improves processor and distributes to First Line
The running memory of journey；When the first priority is lower than the second priority, the running memory that processor distributes to the second thread is improved.
That is, processor 214 can be allocated the running memory of each thread according to the corresponding priority of camera.Into one
Step ground, in the case where system running memory occupancy is excessively high, processor 214 can also reduce first thread and/or the second line
The running memory of Cheng Zhanyong, specifically, when the first priority is higher than the second priority, processor 214 can preferentially reduce by the
The running memory of two threads, when the first priority is lower than the second priority, processor 214 can preferentially reduce the second thread
Running memory.
By prestoring the corresponding priority of different cameras, available first camera of processor is corresponding first preferential
Grade and corresponding second priority of second camera improve processor and distribute to when the first priority is higher than the second priority
The running memory of first thread improves the fortune that processor distributes to the second thread when the first priority is lower than the second priority
Row memory, it can realize the reasonable distribution to running memory, provide the rate that thread calculates jitter compensation data, and then improve
The good accuracy of the timeliness of camera stabilization.
In one embodiment, in the camera stabilization system provided, processor includes at least two corresponding to each
The output end of camera, processor are connected with the driving chip that each camera includes by corresponding output end, processor
It is also used to that the first jitter compensation data are sent to corresponding driving chip by output end.
It is illustrated for including the first camera and second camera in camera stabilization system, as shown in figure 3,
It include the first camera 320 and second camera 330 in camera stabilization system in one embodiment.In first camera 320
It include the second driving chip 332 in second camera 330 comprising the first driving chip 322 and the first motor 324 being connected
With the second motor 334.Gyroscope 312 is connect with processor 314.It include corresponding to the first camera 320 in processor 314
First output end and second output terminal corresponding to second camera 330.Processor 314 is driven by first output end and first
Dynamic chip 322 connects, and is connect by second output terminal with the second driving chip 332.Processor 314 is used to pass through the first output end
The corresponding jitter compensation data of first camera 320 are sent to the first driving chip 322, and pass through second output terminal for second
The corresponding jitter compensation data of camera 330 are sent to the second driving chip 332.Processor includes at least two corresponding to each
The output end of a camera, to export the jitter compensation data of different cameras respectively, can to avoid using output end all the way and
Lead to data transmission not in time, the anti-shake effect of camera can be improved in the poor problem of anti-shake effect.
In one embodiment, gyroscope is also used to acquire original angular velocity data in the camera stabilization system provided,
The first angular velocity data and/or the second angular velocity data of different attribute are generated according to original angular velocity data；Processor is also used
In when receiving the enabled instruction of camera, indicates that gyroscope generates the first angular velocity data according to enabled instruction, work as reception
To destination application initiate angular speed acquisition instruction when, according to angular speed acquisition instruction indicate gyroscope generate second jiao speed
Degree evidence.
When the equipment where camera or camera is shaken, gyroscope can acquire original angular velocity data.Angle
The attribute of speed data can be, but not limited to be the output frequency of angular velocity data, the bandwidth of angular velocity data, angular velocity data
Measurement range etc..In different functional applications, the attribute of the angular velocity data needed is different, for example, camera is being shot
The time for exposure is smaller in the process, and camera stabilization system needs to control camera lens within the time for exposure mobile to offset trembling for camera
Dynamic, therefore, the output frequency of the angular velocity data of the jitter compensation data for calculating camera is commonly greater than for other function
The output frequency of energy.
Processor can preset the attribute that different function applies corresponding angular velocity data according to practical application request, thus
Gyroscope can generate the first angular velocity data and/or the second angular speed of different attribute according to the original angular velocity data of acquisition
Data.Specifically, when processor receives the enabled instruction of camera, it can indicate that gyroscope generates according to the enabled instruction
First angular velocity data, and first angular velocity data is sent to processor；When processor receives destination application hair
The angular speed acquisition instruction risen can indicate that gyroscope generates the according to original angular velocity data according to the angular speed acquisition instruction
Two angular velocity datas, and second angular velocity data is sent to processor.
Further, in one embodiment, gyroscope includes the first output end and second output terminal；Processor is also used to
Corresponding first address of the first output end is obtained, obtains corresponding first attribute data of the first angular velocity data, and according to first
The register of address and the first attribute data configuration gyroscope, and corresponding second address of second output terminal is obtained, obtain second
Corresponding second attribute data of angular velocity data, and according to the register of the second address and the second attribute data configuration gyroscope.
Processor can preset camera and the corresponding attribute data of different application.Specifically, processor is preset
Attribute data is it is not limited here.For example, the corresponding attribute data of camera can be, output frequency is 2KHz, measurement range is
0 to 3rad/s；The attribute data of destination application can be 400Hz, 10rad/s etc., without being limited thereto.Optionally, difference is answered
It is also possible to the corresponding attribute data of program identical.The corresponding attribute data of difference camera in camera stabilization system
It can be different.
It include multiple addresses in the register of gyroscope, the output end of gyroscope is corresponding with address.Processor can be read
The address of register is taken, so that gyroscope passes through the corresponding output end output angular velocity data in the address.Processor can connect
When receiving the enabled instruction of camera, corresponding first address of the first output end and the first angular velocity data corresponding the are obtained
One attribute data, the first attribute data are the attribute data of angular velocity data required for camera, so according to this first
Address and the first attribute data configure the register of the gyroscope.When the frequency that gyroscope acquires original angular velocity data is
When 3KHz, measurement range are 0 to 20rad/s, if output frequency is 2KHz in the first attribute data, measurement range is 0 to 6rad/
When s, then after gyroscope configures the register of gyroscope according to the first attribute data, generated according to the original angular velocity data the
The output frequency of one angular velocity data is 2KHz, and the range of angular velocity data is 0 to 6rad/s, and gyroscope can be by first jiao of speed
Degree is according to corresponding first address of the first output end is stored in registers, and by reading first address, gyroscope can lead to
It crosses the first output end and exports first angular velocity data to processor.Similarly, processor can receive target application journey
When the angular speed acquisition instruction of sequence, corresponding second address of second output terminal and the second angular velocity data corresponding second are obtained
Attribute data, the second attribute data are the attribute data of angular velocity data required for destination application, and then according to this
Second address and the second attribute data configure the register of the gyroscope.
Processor can indicate that gyroscope generates first jiao according to enabled instruction in the enabled instruction for receiving camera
Speed data indicates top according to angular speed acquisition instruction when receiving the angular speed acquisition instruction of destination application initiation
Spiral shell instrument generates the second angular velocity data, i.e. camera stabilization function and destination application can share the angle speed an of gyroscope
Degree evidence, camera stabilization system can reduce camera shooting according to the angular velocity data of different application output different attributes
The cost of head stabilization system.And gyroscope includes the first output end and second output terminal, and processor can be according to different outputs
It holds corresponding address and attribute data to configure the register of gyroscope, by reading address gyroscope is passed through
Different output ends exports corresponding angular velocity data, and the timeliness of angular velocity data transmission can be improved.
Fig. 4 is the flow chart of camera anti-fluttering method in one embodiment.As shown in figure 4, in one embodiment, providing
A kind of camera anti-fluttering method, this method are applied to electronic equipment；The electronic equipment includes gyroscope, processor and at least two
A camera；Connected driving chip and motor are equipped in each camera；Gyroscope is connect with processor, processor and every
Driving chip connection in one camera；Method includes:
Step 402, angular velocity data is acquired by gyroscope, and angular velocity data is sent to processor.
Step 404, the camera identification for including in enabled instruction is obtained by processor, is calculated according to angular velocity data
To jitter compensation data, jitter compensation data are sent to driving chip corresponding with camera identification.
Step 406, the motor operations connected according to the control of jitter compensation data by driving chip, so that motor driving pair
The camera lens answered is mobile.
Camera anti-fluttering method provided by the embodiments of the present application can lead to when receiving the enabled instruction to camera
The angular speed of gyroscope acquisition camera lens is crossed to information, and is sent to processor, is taken the photograph by what processor acquisition enabled instruction included
Picture leader is known, and the jitter compensation data being calculated according to angular velocity data, and jitter compensation data are sent to and are imaged
Leader knows corresponding driving chip, is powered on by driving chip according to the connected motor of jitter compensation data control, so that motor
Drive the movement of camera lens.Since jitter compensation data can be calculated according to angular velocity data by processor, it is then forwarded to driving
Chip does not need the calculating that driving chip carries out jitter compensation data, can reduce the volume of driving chip, mention to control motor
The reliability of high camera stabilization system.
In one embodiment, the camera anti-fluttering method provided can also include: to obtain to open camera shooting by processor
The corresponding application program identification of application program of head, when application program identification is default application program identification, raising is distributed to
Processor executes the running memory that jitter compensation data manipulation is calculated according to angular velocity data.
In one embodiment, it is calculated by processor according to angular velocity data in the camera anti-fluttering method provided
The process that jitter compensation data are sent to driving chip corresponding with camera identification be may include: logical by jitter compensation data
It crosses processor and corresponding jitter compensation algorithm is obtained according to the camera identification for including in enabled instruction, according to jitter compensation algorithm
Target compensation data are generated with angular velocity data, and target compensation data are sent to driving core corresponding with camera identification
Piece.
In one embodiment, camera includes the first camera and second camera, the jitter compensation that processor prestores
Algorithm includes that the first jitter compensation algorithm corresponding to the first camera and the second jitter compensation corresponding to second camera are calculated
Method.Include: according to the process that jitter compensation data are calculated in angular velocity data by processor in the camera anti-fluttering method
The first jitter compensation data are generated according to the first jitter compensation algorithm and angular velocity data by the first thread of processor, are passed through
Second thread of processor generates the second jitter compensation data according to the second jitter compensation algorithm and angular velocity data.
In one embodiment, the camera anti-fluttering method provided further include: the first camera pair is obtained by processor
Corresponding second priority of the first priority and second camera answered；When the first priority is higher than the second priority, improve
Processor distributes to the running memory of first thread；When the first priority is lower than the second priority, improves processor and distribute to
The running memory of second thread.
In one embodiment, processor include at least two correspond to each camera output ends, processor with
The driving chip that each camera includes is connected by corresponding output end, will by processor in the camera anti-fluttering method
It includes: by processor by jitter compensation number that jitter compensation data, which are sent to the process of driving chip corresponding with camera identification,
Corresponding driving chip is sent to according to by output end corresponding with camera.
In one embodiment, the process packet of angular velocity data is provided in the camera anti-fluttering method provided by gyroscope
It includes: original angular velocity data is acquired by gyroscope, the first angular speed number of different attribute is generated according to original angular velocity data
According to and/or the second angular velocity data.This method further include: through processor when receiving the enabled instruction of camera, according to
Enabled instruction indicates that gyroscope generates the first angular velocity data, when the angular speed acquisition instruction for receiving destination application initiation
When, indicate that gyroscope generates the second angular velocity data according to angular speed acquisition instruction.
In one embodiment, gyroscope includes the first output end and the second output in the camera anti-fluttering method provided
End, this method further include: be also used to obtain corresponding first address of the first output end by processor, obtain the first angular speed number
According to corresponding first attribute data, and according to the register of the first address and the first attribute data configuration gyroscope, and obtain the
Corresponding second address of two output ends, obtains corresponding second attribute data of the second angular velocity data, and according to the second address and
The register of second attribute data configuration gyroscope.
It should be understood that although each step in the flow chart of Fig. 4 is successively shown according to the instruction of arrow, this
A little steps are not that the inevitable sequence according to arrow instruction successively executes.Unless expressly state otherwise herein, these steps
It executes there is no the limitation of stringent sequence, these steps can execute in other order.Moreover, at least part in Fig. 4
Step may include that perhaps these sub-steps of multiple stages or stage are executed in synchronization to multiple sub-steps
It completes, but can execute at different times, the execution sequence in these sub-steps or stage, which is also not necessarily, successively to be carried out,
But it can be executed in turn or alternately at least part of the sub-step or stage of other steps or other steps.
Fig. 5 is the schematic diagram of internal structure of electronic equipment in one embodiment.As shown in figure 5, the electronic equipment includes logical
Cross the processor and memory of system bus connection.Wherein, which supports entire electricity for providing calculating and control ability
The operation of sub- equipment.Memory may include non-volatile memory medium and built-in storage.Non-volatile memory medium is stored with behaviour
Make system and computer program.The electronic equipment further includes gyroscope and at least two cameras；In each described camera
Equipped with connected driving chip and motor；The gyroscope is connected to the processor, the processor and the driving chip
Connection.The computer program can be performed by processor, for realizing a kind of camera provided by following each embodiment
Anti-fluttering method.Built-in storage provides the operation ring of cache for the operating system computer program in non-volatile memory medium
Border.The electronic equipment can be mobile phone, tablet computer or personal digital assistant or wearable device etc..
The embodiment of the present application also provides a kind of electronic equipment.It include image processing circuit in above-mentioned electronic equipment, at image
Reason circuit can use hardware and or software component realization, it may include define ISP (Image SignalProcessing, image
Signal processing) pipeline various processing units.Fig. 6 is the schematic diagram of image processing circuit in one embodiment.As shown in fig. 6,
For purposes of illustration only, only showing the various aspects of image processing techniques relevant to the embodiment of the present application.
As shown in fig. 6, image processing circuit includes the first ISP processor 630, the 2nd ISP processor 640 and control logic
Device 650.First camera 610 includes one or more first lens 612 and the first imaging sensor 614.First image sensing
Device 614 may include colour filter array (such as Bayer filter), and the first imaging sensor 614 can be obtained with the first imaging sensor
The luminous intensity and wavelength information that 614 each imaging pixel captures, and one group for being handled by the first ISP processor 630 is provided
Image data.Second camera 620 includes one or more second lens 622 and the second imaging sensor 624.Second image passes
Sensor 624 may include colour filter array (such as Bayer filter), and the second imaging sensor 624 can be obtained with the second image sensing
The luminous intensity and wavelength information that each imaging pixel of device 624 captures, and can be handled by the 2nd ISP processor 640 one is provided
Group image data.
First image transmitting of the first camera 610 acquisition is handled to the first ISP processor 630, the first ISP processing
It, can be by statistical data (brightness of such as image, the contrast value of image, the face of image of the first image after device 630 handles the first image
Color etc.) it is sent to control logic device 650, control logic device 650 can determine the control ginseng of the first camera 610 according to statistical data
Number, so that the first camera 610 can carry out the operation such as auto-focusing, automatic exposure according to control parameter.First image is by the
One ISP processor 630 can store after being handled into video memory 660, and the first ISP processor 630 can also read figure
As the image that stores in memory 660 is with to handling.In addition, the first image can after ISP processor 630 is handled
It is sent directly to display 670 to be shown, display 670 can also read the image in video memory 660 to be shown
Show.
Wherein, the first ISP processor 630 handles image data pixel by pixel in various formats.For example, each image slices
Element can have the bit depth of 6,10,12 or 14 bits, and the first ISP processor 630 can carry out one or more figures to image data
Statistical information as processing operation, collection about image data.Wherein, image processing operations can be by identical or different bit depth
Precision carries out.
Video memory 660 can be independent dedicated in a part, storage equipment or electronic equipment of memory device
Memory, and may include DMA (Direct Memory Access, direct direct memory access (DMA)) feature.
When receiving from the first 614 interface of imaging sensor, the first ISP processor 630 can carry out one or more
Image processing operations, such as time-domain filtering.Image data that treated can be transmitted to video memory 660, to be shown it
It is preceding to carry out other processing.First ISP processor 630 receives processing data from video memory 660, and to the processing data
Carry out the image real time transfer in RGB and YCbCr color space.Treated that image data is exportable for first ISP processor 630
To display 670, so that user watches and/or by graphics engine or GPU (Graphics Processing Unit, at figure
Reason device) it is further processed.In addition, the output of the first ISP processor 630 also can be transmitted to video memory 660, and display
670 can read image data from video memory 660.In one embodiment, video memory 660 can be configured to realization one
A or multiple frame buffers.
The statistical data that first ISP processor 630 determines can be transmitted to control logic device 650.For example, statistical data can wrap
Include automatic exposure, automatic white balance, automatic focusing, flicker detection, black level compensation, 612 shadow correction of the first lens etc. first
614 statistical information of imaging sensor.Control logic device 650 may include the processor for executing one or more routines (such as firmware)
And/or microcontroller, one or more routines can statistical data based on the received, determine the control parameter of the first camera 610
And the first ISP processor 630 control parameter.For example, the control parameter of the first camera 610 may include gain, spectrum assignment
The time of integration, stabilization parameter, flash of light control parameter, 612 control parameter of the first lens (such as focus or zoom focal length) or
The combination etc. of these parameters.ISP control parameter may include for automatic white balance and color adjustment (for example, in RGB process phase
Between) 612 shadow correction parameter of gain level and color correction matrix and the first lens.
Similarly, the second image transmitting that second camera 620 acquires is handled to the 2nd ISP processor 640, and second
After ISP processor 640 handles the first image, can by the statistical data of the second image (brightness of such as image, image contrast value,
The color etc. of image) it is sent to control logic device 650, control logic device 650 can determine second camera 620 according to statistical data
Control parameter, so that second camera 620 can carry out auto-focusing, the operation such as automatic exposure according to control parameter.Second figure
As that can store after the 2nd ISP processor 640 is handled into video memory 660, the 2nd ISP processor 640 can also
To read the image stored in video memory 660 with to handling.In addition, the second image is carried out by ISP processor 640
It can be sent directly to display 670 after processing and shown that display 670 can also read the image in video memory 660
To be shown.Second camera 620 and the 2nd ISP processor 640 also may be implemented such as the first camera 610 and the first ISP
Treatment process described in processor 630.
Above-mentioned camera anti-fluttering method may be implemented using above-mentioned image processing techniques in the embodiment of the present application.
The embodiment of the present application also provides a kind of computer readable storage mediums.One or more is executable comprising computer
The non-volatile computer readable storage medium storing program for executing of instruction, when the computer executable instructions are executed by one or more processors
When, so that the step of processor executes camera anti-fluttering method.
A kind of computer program product comprising instruction, when run on a computer, so that computer executes camera shooting
Head anti-fluttering method.May include to any reference of memory, storage, database or other media used in the embodiment of the present application
Non-volatile and/or volatile memory.Suitable nonvolatile memory may include read-only memory (ROM), programming ROM
(PROM), electrically programmable ROM (EPROM), electrically erasable ROM (EEPROM) or flash memory.Volatile memory may include
Random access memory (RAM), it is used as external cache.By way of illustration and not limitation, RAM in a variety of forms may be used
, such as static state RAM (SRAM), dynamic ram (DRAM), synchronous dram (SDRAM), double data rate sdram (DDR SDRAM),
Enhanced SDRAM (ESDRAM), synchronization link (Synchlink) DRAM (SLDRAM), memory bus (Rambus) direct RAM
(RDRAM), direct memory bus dynamic ram (DRDRAM) and memory bus dynamic ram (RDRAM).
The several embodiments of the application above described embodiment only expresses, the description thereof is more specific and detailed, but simultaneously
The limitation to the application the scope of the patents therefore cannot be interpreted as.It should be pointed out that for those of ordinary skill in the art
For, without departing from the concept of this application, various modifications and improvements can be made, these belong to the guarantor of the application
Protect range.Therefore, the scope of protection shall be subject to the appended claims for the application patent.
Claims (11)
1. a kind of camera stabilization system characterized by comprising gyroscope, processor and at least two cameras；Each
Connected driving chip and motor are equipped in the camera；The gyroscope is connected to the processor, the processor with
Driving chip connection in each described camera；
The angular velocity data is sent to the processor for acquiring angular velocity data by the gyroscope；
The processor is used to be calculated jitter compensation data according to the angular velocity data, and by the jitter compensation data
It is sent to the driving chip；
The driving chip is used to be powered on according to the connected motor of jitter compensation data control, so that the motor drives
It is mobile to move corresponding camera lens.
2. system according to claim 1, which is characterized in that the processor, which is also used to obtain, opens the camera
The corresponding application program identification of application program, when the application program identification is default application program identification, raising is distributed to
The processor executes the running memory that the jitter compensation data manipulation is calculated according to the angular velocity data.
3. system according to claim 1, which is characterized in that the processor is also used to refer to when the starting for receiving camera
When enabling, corresponding jitter compensation algorithm is obtained according to the camera identification for including in the enabled instruction, is mended according to the shake
It repays algorithm and angular velocity data generates target compensation data, and the target compensation data are sent to and the camera identification
Corresponding driving chip.
4. system according to claim 3, which is characterized in that the camera includes the first camera and the second camera shooting
Head；The jitter compensation algorithm includes corresponding to the first jitter compensation algorithm of first camera and corresponding to described second
Second jitter compensation algorithm of camera；
The processor is also used to the first thread by the processor according to the first jitter compensation algorithm and angular speed
Data generate the first jitter compensation data, by the second thread of the processor according to the second jitter compensation algorithm
The second jitter compensation data are generated with angular velocity data.
5. system according to claim 4, which is characterized in that the processor is also used to obtain first camera pair
Corresponding second priority of the first priority and the second camera answered；When first priority is higher than described second
When priority, the running memory that the processor distributes to the first thread is improved；When first priority is lower than described
When the second priority, the running memory that the processor distributes to second thread is improved.
6. system according to claim 3, which is characterized in that the processor includes at least two corresponding to each institute
State the output end of camera；The processor is connected with the driving chip that camera described in each includes by corresponding output end
It connects；The processor is also used to that the jitter compensation data are sent to corresponding driving chip by the output end.
7. system according to claim 1, which is characterized in that the gyroscope is also used to acquire original angular velocity data,
The first angular velocity data and/or the second angular velocity data of different attribute are generated according to the original angular velocity data；
The processor is also used to when receiving the enabled instruction of camera, indicates the gyroscope according to the enabled instruction
First angular velocity data is generated, when receiving the angular speed acquisition instruction of destination application initiation, according to the angle
Speed acquisition instruction indicates that the gyroscope generates second angular velocity data.
8. system according to claim 7, which is characterized in that the gyroscope includes the first output end and the second output
End；The processor is also used to obtain corresponding first address of first output end, obtains first angular velocity data pair
The first attribute data answered, and the register of the gyroscope is configured according to first address and the first attribute data, and obtain
Corresponding second address of the second output terminal is taken, corresponding second attribute data of second angular velocity data, and root are obtained
The register of the gyroscope is configured according to second address and the second attribute data.
9. a kind of camera anti-fluttering method is applied to electronic equipment, which is characterized in that the electronic equipment includes gyroscope, place
Manage device and at least two cameras；Connected driving chip and motor are equipped in each described camera；The gyroscope with
The processor connection, the processor are connect with the driving chip in camera described in each；The described method includes:
When receiving the enabled instruction to camera, angular velocity data is acquired by the gyroscope, and by the angular speed
Data are sent to the processor；
The camera identification for including in the enabled instruction is obtained by the processor, is calculated according to the angular velocity data
To jitter compensation data, the jitter compensation data are sent to driving chip corresponding with the camera identification；
By the driving chip motor operations connected according to jitter compensation data control, so that motor driving pair
The camera lens answered is mobile.
10. a kind of electronic equipment, including memory, processor, gyroscope and at least two cameras；Each described camera
In be equipped with connected driving chip and motor；The gyroscope is connected to the processor, the processor and the driving core
Piece connection；Computer program is stored in the memory, when the computer program is executed by the processor, so that described
Processor executes the step of camera anti-fluttering method as claimed in claim 9.
11. a kind of computer readable storage medium, is stored thereon with computer program, which is characterized in that the computer program
The step of method as claimed in claim 9 is realized when being executed by processor.
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| CN201910231545.6A CN109951639A (en) | 2019-03-26 | 2019-03-26 | Camera stabilization system, method, electronic equipment and computer readable storage medium |
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| CN201910231545.6A CN109951639A (en) | 2019-03-26 | 2019-03-26 | Camera stabilization system, method, electronic equipment and computer readable storage medium |
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| CN111246088A (en) * | 2020-01-13 | 2020-06-05 | Oppo广东移动通信有限公司 | Anti-shake method, electronic device, and computer-readable storage medium |
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| CN113873157B (en) * | 2021-09-28 | 2024-04-16 | 维沃移动通信有限公司 | Shooting method, shooting device, electronic equipment and readable storage medium |
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